Subj : sweep
To   : Lesha Tsoorgaev
From : Eddy Thilleman
Date : Wed Mar 21 2001 01:22 am

Hello Lesha,

Monday 19 March 2001 10:55, Lesha Tsoorgaev wrote to Eddy Thilleman:

LT> I think it is possible, that SysFileTree and OS/2 DOS support are
LT> simply caching directory search and do not call
LT> DosFindFirst/DosFindNext for every filename. These functions allow to
LT> request information about ~64K filenames at once, and IMHO this can
LT> result in speeding up the process greately.

Why not for the OS/2 version, I don't know.

LT> While SysFileTree is obviously must use such a technique, I am in
LT> doubt if OS/2 DOS support does so actually. Try to replace running
LT> external programs with somewhat fast enough (may be without any
LT> output) to figure out if the main brake is FindFirst/FindNext or not.

I used just the 'cd' command to test this, that's fast enough I think. :)

I haven't had time to investigate this further in the meantime, but I'm also
out of ideas about this.

I should problably investigate this further at the OS/2 API level, when I've
time.


 Greetings   -=Eddy=-

 email: [email protected]
        [email protected]

... A computer cuts your work in half and gives you back the bloody ends.
--- GoldED/2 3.0.1
* Origin: Programmers don't die, they just GOSUB without RETURN (2:280/5143.7)

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